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Supplemental Cash Flow Data
 3 Months Ended
Mar. 31, 2019
Supplemental Cash Flow Data [Abstract]  
Supplemental Cash Flow Data
Supplemental Cash Flow Data
The use of operating capital for the three months ended March 31, 2019 and 2018 was (in millions):
 
2019
 
2018
(Increase) decrease in accounts receivable
$
626.8

 
$
973.2

(Increase) decrease in work in process and other current assets
(214.2
)
 
(271.9
)
Increase (decrease) in accounts payable
(1,141.9
)
 
(1,522.1
)
Increase (decrease) in customer advances, taxes payable and other current liabilities
(15.8
)
 
(181.3
)
Change in other assets and liabilities, net
8.8

 
6.0

 
$
(736.3
)
 
$
(996.1
)
 
 
 
 
Income taxes paid
$
63.5

 
$
83.2

Interest paid
$
59.4

 
$
55.8


Supplemental non-cash information for the three months ended March 31, 2019 (in millions):
 
Operating Leases
 
Finance
Leases
Net increase in lease liability
$
1,505.9

 
$
14.1